#include <stdio.h>
int main()
{
    int n;
    while (scanf_s("%d", &n) != EOF)
    {
        for (int i = 1; i <= n; i++)
        {
            for (int j = 1; j <= n; j++)
            {
                printf("*");
            }
            printf("\n");
        }
    }
    return 0;
}